Compare Tamron 70-300mm F/4.5-6.3 vs Tamron 17-70mm F/2.8
Construction
Aperture Blades
9 blades
9 blades
Colors
Black
Black
Form Factor
Telephoto Zoom Lens
Standard Zoom Lens
Image Size
Full-Frame
APS-C
Lens Mount
Sony E-mount
Sony E-mount
Material
Magnesium alloy
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
15 elements
16 elements
Optical Formula | Groups
10 groups
12 groups
Optical Formula | Special Glass
1 low-dispersion element, BBAR coating groups
1 aspherical + 2 glass-molded aspherical elements groups
Dimensions
Filter Diameter
67 mm / 2.64 in
67 mm / 2.64 in
Size | Diameter
77 mm / 3.03 in
75 mm / 2.95 in
Size | Length
148 mm / 5.83 in
119 mm / 4.69 in
Weight
545 g / 19.26 oz
525 g / 18.55 oz
Function
Angle Of View
34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (wide) ~ 8.3° Diagonal | 6.9° Horizontal | 4.6° Vertical (tele)
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
Aperture
f/4.5–6.3 ~ f/22–32
f/2.8 ~ f/22
Autofocus
Yes
Yes
Crop Factor
1.5
Focal Length
70 mm ~ 300 mm
17 mm ~ 70 mm
Focal Length (35mm Equivalent)
25.5 mm ~ 105.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
Yes
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.11x
0.21x
Min Focus Distance
800 mm / 31.50 in
190 mm / 7.48 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2020-09-25
2020-12-03
Model Name
A047
B070
Reviews
Neofiliac score
60%
69%
Pros
- Very useful focal range
- Weather-sealed
- Well corrected
- Optically stabilized
- Weather-sealed
- Fast AF
- Good image quality
Cons
- Dark and variable maximum aperture
- External zoom without zoom lock
- Not the best build quality
- Not the sharpest
- External zoom without zoom lock
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